Japanese

edit
For pronunciation and definitions of てっこう – see the following entries.
鉄鋼
[noun] iron and steel
手甲
[noun] (Anatomy) the back of the hand
[noun] a piece of armor or clothing for protecting the back of the hand, such as a glove or gauntlet
Alternative spelling
てこう
(This term, てっこう (tekkō), is the hiragana spelling of the above terms.)

(The following entries are uncreated: 鉄工, 鉄鉱.)